1. A simple frame supports the electric tricycle, covered with discarded advertising cloth. While it offers some protection from the cold wind, its rough appearance severely impacts the city's image. It's essentially useless in the rain, requiring the vehicle to be kept indoors.
2. Some unscrupulous manufacturers use scrap metal, simply welded together, to attach to the electric tricycle frame. This is not only quite expensive but also has a lifespan of only one year. The metal canopy increases the tricycle's weight and reduces its range.
3. Canopies made of stainless steel and polycarbonate sheets obviously cannot accommodate doors, meaning their practicality is still low. The low transparency of polycarbonate sheets makes them unusable in the rain or at night, severely limiting the tricycle's usability.